Jared Miller bb2f1989cb Optimize z-machine hot loop: fast step, dispatch table, inline bit ops ... Add step_fast() that skips trace/logging overhead (saves ~22% at 1M+ avoided log calls). Pre-resolve opcode dispatch table at init to eliminate per-instruction version checks and isinstance calls. Replace BitField allocations with direct bit masks in opcode decoder. Cold start: 4720ms -> 786ms. Steady state: ~500ms -> ~460ms.		2026-02-10 15:05:34 -05:00
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mudlib	Optimize z-machine hot loop: fast step, dispatch table, inline bit ops	2026-02-10 15:05:34 -05:00